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1030423312 = 24173788321
BaseRepresentation
bin111101011010110…
…000001100010000
32122210220221001101
4331122300030100
54102242021222
6250125314144
734351311412
oct7532601420
92583827041
101030423312
11489713316
12249105954
1313562ca49
149abca9b2
15606e0927
hex3d6b0310

1030423312 has 20 divisors (see below), whose sum is σ = 2113883676. Its totient is φ = 484904960.

The previous prime is 1030423271. The next prime is 1030423313. The reversal of 1030423312 is 2133240301.

It can be written as a sum of positive squares in 2 ways, for example, as 570063376 + 460359936 = 23876^2 + 21456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1030423312.

It is not an unprimeable number, because it can be changed into a prime (1030423313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893889 + ... + 1894432.

Almost surely, 21030423312 is an apocalyptic number.

It is an amenable number.

1030423312 is an abundant number, since it is smaller than the sum of its proper divisors (1083460364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030423312 is a wasteful number, since it uses less digits than its factorization.

1030423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788346 (or 3788340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1030423312 is about 32100.2073513552. The cubic root of 1030423312 is about 1010.0399657420.

Adding to 1030423312 its reverse (2133240301), we get a palindrome (3163663613).

The spelling of 1030423312 in words is "one billion, thirty million, four hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 3788321 7576642 15153284 30306568 60613136 64401457 128802914 257605828 515211656 1030423312